Fridge-To-Go® is a range of cooler bags that keeps its contents cold for up to 8 hours unlike any other product on the market The Medium Lunch Bag lets you pack ANY food for the day such as dairy, fish (sushi!), meat, etc and because it's cool and fresh it is more likely to be eaten. This is the perfect size to use for younger children especially when breastfeeding,starting solids, needing snacks (always ready!) and makes a great first lunch bag at school.